synced 10 MIN AGO
01 Record

CVE-2016-9415

MyBB (aka MyBulletinBoard) before 1.8.8 on Windows and MyBB Merge System before 1.8.8 on Windows allow remote attackers to overwrite arbitrary CSS files via vectors related to "style import."

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

MyBB (aka MyBulletinBoard) before 1.8.8 on Windows and MyBB Merge System before 1.8.8 on Windows allow remote attackers to overwrite arbitrary CSS files via vectors related to "style import."

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.86% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.8% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2017-01-31 22:00Z9 YR AGO
Last updated
2024-08-06 02:50Z2 YR AGO
Reserved
2016-11-17
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-284Improper Access ControlPillar
Data version
5.1
Document digest
8f80202953cd2d00e48d1b1c8705cc8a0b5630f491fc741ab2a5cbd5265c6c30

05 Affected products

VendorProductVersionsPlatforms
microsoftwindowsNot specified—
mybbmerge_systemNot specified—
mybbmybbNot specified—

06 References